To commemorate its first anniversary celebrations, a marketing company released a DVD that contained images and videos of various events from the past year. The DVD was distributed to all employees and most of the company's clients

A few months later, the company received a notice from a musician's lawyers for a copyright infringement. The company argued that they had credited the musician on the DVD and on the first and last screens. What step did the company miss?
a. Obtaining permission from the artist
b. Checking whether the artist was still alive
c. Scrolling the artist's name throughout the video
d. Sending a copy of the DVD to the artist

A